Triathlon
Run
50 km

Triathlon
Run
50 km
Triathlon
Swim
5 km
A seven‑day endurance event starting with a 5km swim in Loch Ness, followed by five days of cycling and finishing with a 50km ultra‑marathon along the Thames.
Not specified on the source pages.
Not specified on the source pages.
Monthly averages based on historical data (2000–present).
Last updated: Jun 6, 2026, 12:32:43 AM
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